中线偏差和冠状宽度不成比例对微笑感知的影响美学
Bora Korkut1, Ibrahim Ograk1, Naci Murat2
1Department of Restorative Dentistry, Faculty of Dentistry, Marmara University, Istanbul, Türkiye.
概括
皇冠宽度的不成比例显著影响微笑的吸引力,而不是中线偏差. 分布不均的牙宽度增强了美学,而显著的中线偏差被认为不那么有吸引力.
科学领域:
- 牙的面部美学 牙的面部美学
- 感知心理学 感知心理学
- 数字图像分析数字图像分析
背景情况:
- 微笑的吸引力在社交互动中至关重要.
- 大中线偏差和冠状宽度不成比例是关键的美学因素.
- 了解它们对感知的影响对于正义牙和美容治疗至关重要.
研究的目的:
- 评估大中线偏差和冠状宽度不成比例对微笑吸引力的影响.
- 为了比较牙医和非专业人士对这些美学变量的看法.
主要方法:
- 数字操作模型的全脸微笑图像以模拟中线偏差 (1-4mm) 和冠状宽度不成比例 (1-4mm).
- 180名观察员 (90名牙医,90名非专业人士) 在视觉模拟尺度 (0-100) 上对15个修改图像和一个对照图像的吸引力进行了评分.
- 使用邦费罗尼测试和部分乙太二次 (α < 0.05) 的统计分析.
主要成果:
- 单冠宽度不成比例显著降低了吸引力,远远超过分布式不成比例或中线偏差 (p < 0.001).
- 一个2毫米的单一中央切口不成比例 (45.51±11.94) 被认为是最不吸引人的,其次是4毫米的中线偏差 (57.51±12.58) 和4毫米的分布式皇冠宽度不成比例 (59.11±9.72).
- 非专业人士和男性观察者认为修改后的微笑比牙医和女性观察者更具吸引力 (p < 0.001).
结论:
- 皇冠宽度对称对于微笑美学来说比中线和更为关键.
- 中线偏差高达2mm通常没有被注意到.
- 在前牙之间分配皇冠宽度不成比例,与局部不成比例相比,提高了微笑的吸引力.
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